Index: src/OFColor.h
==================================================================
--- src/OFColor.h
+++ src/OFColor.h
@@ -24,11 +24,13 @@
  */
 @interface OFColor: OFObject
 #ifdef OF_HAVE_CLASS_PROPERTIES
 @property (class, readonly, nonatomic) OFColor *black;
 @property (class, readonly, nonatomic) OFColor *silver;
-@property (class, readonly, nonatomic) OFColor *grey;
+@property (class, readonly, nonatomic) OFColor *gray;
+@property (class, readonly, nonatomic) OFColor *grey
+    OF_DEPRECATED(ObjFW, 1, 1, "Use gray instead");
 @property (class, readonly, nonatomic) OFColor *white;
 @property (class, readonly, nonatomic) OFColor *maroon;
 @property (class, readonly, nonatomic) OFColor *red;
 @property (class, readonly, nonatomic) OFColor *purple;
 @property (class, readonly, nonatomic) OFColor *fuchsia;
@@ -74,17 +76,28 @@
  * @return The HTML color `silver`
  */
 + (OFColor *)silver;
 
 /**
- * @brief Returns the HTML color `grey`.
+ * @brief Returns the HTML color `gray`.
+ *
+ * The RGBA value is (0.5, 0.5, 0.5, 1).
+ *
+ * @return The HTML color `gray`
+ */
++ (OFColor *)gray;
+
+/**
+ * @brief Returns the HTML color `gray`.
+ *
+ * @deprecated Use @ref gray instead.
  *
  * The RGBA value is (0.5, 0.5, 0.5, 1).
  *
- * @return The HTML color `grey`
+ * @return The HTML color `gray`
  */
-+ (OFColor *)grey;
++ (OFColor *)grey OF_DEPRECATED(ObjFW, 1, 1, "Use gray instead");
 
 /**
  * @brief Returns the HTML color `white`.
  *
  * The RGBA value is (1, 1, 1, 1).

Index: src/OFColor.m
==================================================================
--- src/OFColor.m
+++ src/OFColor.m
@@ -109,11 +109,11 @@
 		return name##Color;					   \
 	}
 
 PREDEFINED_COLOR(black,   0.00f, 0.00f, 0.00f)
 PREDEFINED_COLOR(silver,  0.75f, 0.75f, 0.75f)
-PREDEFINED_COLOR(grey,    0.50f, 0.50f, 0.50f)
+PREDEFINED_COLOR(gray,    0.50f, 0.50f, 0.50f)
 PREDEFINED_COLOR(white,   1.00f, 1.00f, 1.00f)
 PREDEFINED_COLOR(maroon,  0.50f, 0.00f, 0.00f)
 PREDEFINED_COLOR(red,     1.00f, 0.00f, 0.00f)
 PREDEFINED_COLOR(purple,  0.50f, 0.00f, 0.50f)
 PREDEFINED_COLOR(fuchsia, 1.00f, 0.00f, 1.00f)
@@ -123,10 +123,15 @@
 PREDEFINED_COLOR(yellow,  1.00f, 1.00f, 0.00f)
 PREDEFINED_COLOR(navy,    0.00f, 0.00f, 0.50f)
 PREDEFINED_COLOR(blue,    0.00f, 0.00f, 1.00f)
 PREDEFINED_COLOR(teal,    0.00f, 0.50f, 0.50f)
 PREDEFINED_COLOR(aqua,    0.00f, 1.00f, 1.00f)
+
++ (OFColor *)grey
+{
+	return [self gray];
+}
 
 + (instancetype)colorWithRed: (float)red
 		       green: (float)green
 			blue: (float)blue
 		       alpha: (float)alpha

Index: src/OFStdIOStream.m
==================================================================
--- src/OFStdIOStream.m
+++ src/OFStdIOStream.m
@@ -137,11 +137,11 @@
 		return 35;
 	if ([color isEqual: [OFColor teal]])
 		return 36;
 	if ([color isEqual: [OFColor silver]])
 		return 37;
-	if ([color isEqual: [OFColor grey]])
+	if ([color isEqual: [OFColor gray]])
 		return 90;
 	if ([color isEqual: [OFColor red]])
 		return 91;
 	if ([color isEqual: [OFColor lime]])
 		return 92;

Index: tests/terminal/TerminalTests.m
==================================================================
--- tests/terminal/TerminalTests.m
+++ tests/terminal/TerminalTests.m
@@ -28,11 +28,11 @@
 
 @implementation TerminalTests
 - (void)applicationDidFinishLaunching: (OFNotification *)notification
 {
 	OFArray *colors = [OFArray arrayWithObjects:
-	    [OFColor black], [OFColor silver], [OFColor grey], [OFColor white],
+	    [OFColor black], [OFColor silver], [OFColor gray], [OFColor white],
 	    [OFColor maroon], [OFColor red], [OFColor purple],
 	    [OFColor fuchsia], [OFColor green], [OFColor lime], [OFColor olive],
 	    [OFColor yellow], [OFColor navy], [OFColor blue], [OFColor teal],
 	    [OFColor aqua], nil];
 	size_t i;